Ok, so, I'm in suspect that the Starship Power Insulator skill is a bit borked, as in vastly more effective than it should be.
Hypothesis: Are subsystem drains working as intended; and are interactions between drains and Starship Power Insulators as intended as well?
TLDR: Power Drains aren't draining as much as they say they should be against targets without Starship Power Insulators, and against targets that do have it, the issue is compounded several fold, either by a second issue, or SPI nerfing what's already a broken drain.
Tactical Odyssey w/ 0PT SPI
Fleet Escort w/ 15PT SPI (JHAS 2pc Set) also tested with 0pt SPI
Experement 1: Science on T.Odyssey with 0pt SPI..
Target Tested with 125/100 Shield Power
Energy Siphon III
► Drains Target from 125 to 110
Energy Siphon, Tyken's Rift, Beam Target Shields 1
► Zero to all subsystems while Tyken's in effect.
Experement 2: Science on Fleet Escort
Target Tested with 125/90 Weapon Power
Target Tested with both 23pt and 0pt SPI
Energy Siphon III
► Drain from 125 to 110 with 0pt, No drain with 23pt
Energy Siphon, Taken's Rift. Target Subsystem Weapons 1
► Drain from 125 to 100~105 with 23pt, Zero All with 0pt while Tyken's in effect.
There are claims that the 2pc Maco +15 SPI is going as far as making 8-beam cruisers unable to fall below 95/100 weapon power whilst firing, but as every piece of Maco gear I have is of different marks, I was unable to verify that claim.
Hypothesis #2: Does SPI affect weapon power draw, and if so, does it do so better than EPS consoles at low levels?
Experiment 3.0-3.4: Weapon power drain test
8 beams firing in sequence.
EPS consoles vs Power Insulator Skill
125/70 Weapon Power
99 Flow Capacitor Skill
Experiment #3.0: 0x EPS Flow Regulators - 0PT SPI
Experiment #3.1: 0x EPS with 2x Maco MX X set (+15 SPI)
Experiment #3.2: 0x EPS with 1x MK I SPI console (3.8 SPI)
Experiment #3.3: 1x EPS with 0pt SPI
Experiment #3.4: 2x EPS with 0pt SPI
Power of weapons after initial volley:
64 | 64 | 64 | 72 | 72
Power of weapons mid-cycle:
75 | 75 | 75 | 85 | 96
Time before next cycle that weapons restored to 125 power:
.25s | .25s | .25s | .75s | 1.5s
EPS flow consoles are good for you and low levels of SPI has no effect on weapon power draws.
I'll be checking for inverse power formulas with SPI conserning drain boats sometime later.
Hypothesis: If 15 SPI can severely reduce all drain effects on a ship, would having only 3.8 SPI make one completely immune, due to inverse power properties, or is the scaling for the SPI power wrong in the magnitude and rate of effectiveness in higher-end numbers?